The Messenger of Allah ﷺ performed witr at every part of the night, at its beginning, its middle, and its end, and his witr eventually settled at the last part of the night.
حدثنا عبد الله حدثني عبيد الله بن عمر القواريري حدثني يزيد بن زريع حدثني شعبة عن أبي إسحاق عن عاصم بن ضمرة
من كل الليل قد أوتر رسول الله ﷺ من أوله وأوسطه وآخره وانتهى وتره إلى آخر الليل
Its isnad is sahih. Yazid bin Zuray Abu Muawiya Basri is trustworthy, a reliable memorizer. The hadith is a repetition of 1152. Hadiths 1212-1214 are among the additions of Abdullah bin Ahmad.